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20414265 = 351983863
BaseRepresentation
bin100110111011…
…1111100111001
31102102011002220
41031313330321
520211224030
62005314253
7335342544
oct115677471
942364086
1020414265
11105835a3
126a05989
1342c9b61
1429d585b
151bd3a10
hex1377f39

20414265 has 32 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 10178496.

The previous prime is 20414257. The next prime is 20414267. The reversal of 20414265 is 56241402.

It is not a de Polignac number, because 20414265 - 23 = 20414257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20414267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23224 + ... + 24086.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 220414265 is an apocalyptic number.

It is an amenable number.

20414265 is a deficient number, since it is larger than the sum of its proper divisors (14422215).

20414265 is a wasteful number, since it uses less digits than its factorization.

20414265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 20414265 is about 4518.2148023307. The cubic root of 20414265 is about 273.3031156693.

Adding to 20414265 its reverse (56241402), we get a palindrome (76655667).

The spelling of 20414265 in words is "twenty million, four hundred fourteen thousand, two hundred sixty-five".

Divisors: 1 3 5 15 19 57 83 95 249 285 415 863 1245 1577 2589 4315 4731 7885 12945 16397 23655 49191 71629 81985 214887 245955 358145 1074435 1360951 4082853 6804755 20414265